#!/bin/bash

# Slackware build script for azr3

# Written by B. Watson (urchlay@slackware.uk)
# Copyright 2020  Johannes Schoepfer, Germany
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=azr3
VERSION=${VERSION:-1.2.3}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

TARNAME=$PRGNAM-jack

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $TARNAME-$VERSION
tar xvf $CWD/$TARNAME-$VERSION.tar.bz2
cd $TARNAME-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
 -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
 -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

patch -p1 < $CWD/patches/linking_order.patch
patch -p1 < $CWD/patches/drop_lash_support.patch
patch -p1 < $CWD/patches/errs_and_warns.patch
patch -p1 < $CWD/patches/fix-compilation.patch

make clean
make all install \
  CFLAGS="$SLKCFLAGS -std=c++11" \
  CXXFLAGS="$SLKCFLAGS -std=c++11" \
  prefix=/usr \
  libdir=/usr/lib$LIBDIRSUFFIX \
  mandir=/usr/man \
  pkgdocdir=/usr/doc/$PRGNAM-$VERSION \
  DESTDIR=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# .desktop file written for this SlackBuild
mkdir -p $PKG/usr/share/applications
cat << EOF > $PKG/usr/share/applications/$PRGNAM.desktop
[Desktop Entry]
Name=AZR-3
Comment=Tonewheel Organ for JACK
Exec=azr3
Icon=azr3
Terminal=false
Type=Application
Categories=AudioVideo;Audio;
EOF

# icon is a small piece gimped out of panelfx.png
mkdir -p $PKG/usr/share/pixmaps
cat $CWD/patches/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  AUTHORS COPYING README ChangeLog \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
if [ "${SETCAP:-yes}" = "yes" ]; then
  for bin in $(find . -type f -exec file '{}' + | grep " ELF .* executable, " | cut -f 1 -d : ); do
    [ -n "$(readelf -d $bin | grep libjack.so)" ] && jackbin+=" $bin"
  done
  if [ -n "$jackbin" ]; then
    for file in $jackbin; do
      chown root:audio $PKG/$file
      chmod 0750 $PKG/$file
    done
	cat <<- EOF >> $PKG/install/doinst.sh
	if [ -x /sbin/setcap ]; then
	  for file in$jackbin; do
	    /sbin/setcap cap_ipc_lock,cap_sys_nice=ep \$file
	  done
	fi
	EOF
  fi
fi
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
